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OpenStudy (anonymous):
what is the reason behind black skin?
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OpenStudy (anonymous):
skin pigmentation comes from melanocyte that release a dark pigment called melanin. the concentration of the pigment release is based on genetics
OpenStudy (anonymous):
The colour of the skin is due to a chemical called melanin. The people living in the more hot regions of the world are more exposed to sun rays and this affects the melanin so they have a dark skin.
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